-- @testpoint: opengauss关键字fortran(非保留)，作为函数名，部分测试点合理报错

--关键字不带引号-成功
drop function if exists fortran;
create function fortran(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists fortran;
--关键字带双引号-成功
drop function if exists "fortran";
create function "fortran"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists "fortran";
--关键字带单引号-合理报错
drop function if exists 'fortran';
create function 'fortran'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `fortran`;
create function `fortran`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
